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Volume 336 - XIII Quark Confinement and the Hadron Spectrum (Confinement2018) - E: QCD and New Physics
CP violation in QCD
M. Creutz
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Pre-published on: 2019 September 12
Published on: 2019 September 26
Among the parameters of QCD is one that results in CP
violation when non-vanishing. This is closely related to possible
quark mass terms. It is conventionally interpreted in terms of
gauge field topology or alternatively in terms of phases in the
quark masses. There is no experimental evidence for this parameter
having a non-zero value, a puzzle for theories involving
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